When using MySQL, the file_name column length in the account_patch_reviews table will be shortened
from the standard 4096 characters down to 255 characters. This is due to a
MySQL limitation
on the max size of 767 bytes for each column in an index.

OPTIONS

-d

--site-path

Location of the gerrit.config file, and all other per-site
configuration data, supporting libraries and log files.

--sourceUrl

Url of source database. Only need to be specified if the source is not H2.

--chunkSize

Chunk size of fetching from source and pushing to target on each time.
Defaults to 100000.

CONTEXT

This command can only be run on a server which has direct
connectivity to the database.